HT502 | DEGROOTE HILL CHEVROLET BUICK GMC - Chevrolet Performance Crate Engines
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HT502

406 HP @4200 RPM
541 LB-FT TORQUE

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Description

HT502 Tech Specs

  • Part Number: 88890534
  • Engine Type: Chevy Big-Block V-8
  • Displacement (cu. in.): 502
  • Bore x Stroke (in.): 4.470 x 4.00
  • Block (P/N 19170540): Cast-iron with four-bolt main caps
  • Crankshaft (P/N 10183723): Forged steel
  • Connecting Rods (P/N 19170198): Forged steel, shot peened
  • Pistons (P/N 12533507): Forged aluminum
  • Camshaft Type (P/N 12552296): Hydraulic roller
  • Camshaft Lift (in.): .480 intake / .483 exhaust
  • Camshaft Duration (@.050 in.): 204° intake / 209° exhaust
  • Cylinder Heads (P/N 12562917): Iron oval port; 118-cc chambers
  • Balanced: External
  • Valve Size (in.): 2.070 intake / 1.730 exhaust
  • Compression Ratio: 8.75:1
  • Rocker Arms (P/N 12523976): Stamped steel
  • Rocker Arm Ratio: 1.7:1
  • Flexplate (P/N 10185034): 14″
  • Recommended Fuel: Regular pump
  • Ignition Timing: Base 34° Total @ 4,000
  • Maximum Recommended rpm: 5500